CN108110376A - A kind of fire-retardant cooling type lithium ionic cell module - Google Patents
A kind of fire-retardant cooling type lithium ionic cell module Download PDFInfo
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- CN108110376A CN108110376A CN201711403292.3A CN201711403292A CN108110376A CN 108110376 A CN108110376 A CN 108110376A CN 201711403292 A CN201711403292 A CN 201711403292A CN 108110376 A CN108110376 A CN 108110376A
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- heat
- retardant
- battery
- lithium ion
- water cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of fire-retardant cooling type lithium ionic cell modules, including multiple battery heat-sink units and the heat-insulating flame-retardant part isolated to two neighboring battery heat-sink unit, each battery heat-sink unit is made of two flat-plate heat pipes between lithium ion battery and lithium ion battery, the side that the flat-plate heat pipe upwardly extends end is provided with water cooling plant, the water cooling plant is the water cooling tube of metal, cooled plate or the water cooling row with fin structure, the water in-out port series/parallel of multiple water cooling plants connect；The heat that the present invention can be generated when lithium ion battery works normally quickly exports, prevent lithium ion battery from overheating, when there is abnormal heating in single lithium ion battery, prevent lithium ion battery of the heat into other battery heat-sink units from propagating, avoid the generation of thermal runaway chain reaction, the service life and security of lithium ion battery can be increased by the present invention, the present invention is compact-sized simple, and usability is wide.
Description
Technical field
The invention belongs to technical field of lithium ion, and in particular to a kind of fire-retardant cooling type lithium ionic cell module, it is main
It is used for the technical fields such as traffic electrical source of power, electric power store power, mobile electronic device power supply and Military Power.
Background technology
Lithium ion battery is due to the features such as energy density is big, have extended cycle life, pollution-free, memory-less effect, electronic
Automobile, space technology, national defense industry etc. have a wide range of applications.
In large capacity, high-power lithium ion battery applications, battery generates heat in itself or use environment overheat can be to battery
Service life and security have an impact, it is therefore desirable to which a kind of device can be that lithium ion battery carries out heat management, make it normal
It can effectively radiate under working condition but abnormal heat can be prevented again when some monomer is abnormal and causes thermal runaway to closing on
Battery fast propagation avoids the generation of thermal runaway chain reaction.
At present, lithium ionic cell module radiator structure mainly utilizes air-cooled or direct water-cooling.Wherein air cooling way radiates
Less efficient, structure is not compact, is unfavorable for the raising of battery module energy density；Water-cooling pattern efficiency is higher, but to ensure pair
Each battery cell can carry out effectively heat dissipation, it is necessary to carry out complicated runner design, and complicated water-cooling structure for
Processing and sealing have very high requirement, and leakage otherwise may occur and threaten cell safety.
Flat-plate heat pipe is a kind of heat transfer element with high thermal conductivity, is passed by the phase-change heat transfer of internal special working medium
Matter is far above ordinary metallic material in the pyroconductivity of gravity direction.Using flat-plate heat pipe for great-power electronic electrical device into
Row heat dissipation has more report at present, and achieves good effect.
In the cooling application of lithium ionic cell module,（CN203367447U）It reports using flat-plate heat pipe that battery is warm
Amount exports to outside batteries, air cooling way is recycled to radiate flat-plate heat pipe cold end, but air cooling way is for heat dissipation area
With high requirement, it is unfavorable for the raising of battery module energy density.
（CN105514318A）In report the mode that a kind of flat-plate heat pipe is connected with cooled plate power battery dissipated
Heat, while have the function of at low temperature to heat battery, cooled plate is arranged in the middle part of battery, two sides connection tablet heat
Pipe, since the capacity of heat transmission of flat-plate heat pipe has very strong directionality, and hot junction should be horizontal positioned in lower section, therefore either
Still the equal thermal effect of flat-plate heat pipe can be influenced to a certain extent by being disposed vertically.
The content of the invention
It is an object of the invention to insufficient according to prior art, a kind of fire-retardant cooling type lithium ionic cell module of design,
The heat that the high heat conduction ability that the present invention efficiently uses flat-plate heat pipe generates lithium ion battery transfer and and water cooling plant
Exchange heat, and when abnormal heating occurs in single lithium ion battery, avoid lithium of the heat outside battery heat-sink unit bag from
Sub- battery is propagated, and prevents the generation of thermal runaway chain reaction.
The technical solution adopted by the present invention to solve the technical problems is：A kind of fire-retardant cooling type lithium ionic cell module,
It is dissipated including multiple battery heat-sink units and the heat-insulating flame-retardant part isolated to two neighboring battery heat-sink unit, each battery
Hot cell is made of two flat-plate heat pipes between lithium ion battery and lithium ion battery, and the flat-plate heat pipe upwardly extends
The side at end is provided with water cooling plant, and the water cooling plant is water cooling tube, cooled plate or the water with fin structure of metal
Cold row, the water in-out port series/parallel connection of multiple water cooling plants；The heat-insulating flame-retardant part is heat-insulating flame-retardant plate, heat-insulating flame-retardant
Bag, heat-insulating flame-retardant foaming material materials and parts or heat-insulating flame-retardant glue part；It takes and contacts directly between the flat-plate heat pipe and water cooling plant
Or pass through heat-conducting silicone grease, heat conductive silica gel mediate contact；Taken between the flat-plate heat pipe and lithium ion battery contact directly or
By heat-conducting insulated film, thermal conductive silicon rubber cushion mediate contact, the heat generated in lithium ion battery work passes through flat-plate heat pipe and water
Cooling medium in device for cooling carries out heat exchange.
A kind of fire-retardant cooling type lithium ionic cell module, lithium ion battery is soft-package battery, square aluminum hull electricity
Pond or the prismatic batteries combined by cylindrical battery.Lithium ion battery uses 225 × 165 × 5mm for size, and voltage is
3.7V, capacity are the Soft Roll ternary lithium ion battery of 15Ah.
A kind of fire-retardant cooling type lithium ionic cell module, water cooling plant are consolidated by fastener, screw or binding agent
It is scheduled on flat-plate heat pipe.Water cooling plant uses the copper cooled plate of 200 × 30 × 1.2mm, the copper cooled plate described in each
It is connected by silica gel hose.
A kind of fire-retardant cooling type lithium ionic cell module, the size of flat-plate heat pipe is 200 × 96 × 3mm.
A kind of fire-retardant cooling type lithium ionic cell module, heat-insulating flame-retardant part is using the poly- of 230 × 170 × 3mm
Urethane foamed board.
The beneficial effects of the invention are as follows：
The heat that the present invention can be generated when lithium ion battery works normally quickly exports, and prevents lithium ion battery from overheating,
When abnormal heating occurs in single lithium ion battery, prevent lithium ion battery of the heat into other battery heat-sink units from propagating,
The generation of thermal runaway chain reaction is avoided, the service life and security of lithium ion battery, the present invention can be increased by the present invention
Compact-sized simple, usability is wide.
Description of the drawings
Fig. 1 is the structure diagram of first embodiment of the invention；
Fig. 2 is the front view of first embodiment of the invention；
Fig. 3 is the combining structure schematic diagram of first embodiment of the invention；
Fig. 4 is the combining structure schematic diagram of second embodiment of the invention；
Fig. 5 is the combining structure schematic diagram of fourth embodiment of the invention；
Fig. 6 is the decomposition texture schematic diagram of fourth embodiment of the invention；
Each reference numeral is：1-heat-insulating flame-retardant part, 2-water cooling plant, 3-flat-plate heat pipe, 4-lithium ion battery.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Fig. 6, the invention discloses a kind of fire-retardant cooling type lithium ionic cell module, including multiple
Every the heat-insulating flame-retardant part 1 and battery heat-sink unit being superposed, the battery heat-sink unit include two lithium ion batteries 4 with
And the flat-plate heat pipe 3 between two lithium ion batteries 4 is arranged on, the side that the flat-plate heat pipe 3 upwardly extends end is provided with
Water cooling plant 2.The heat that the lithium ion battery 4 generates in working is situated between by the cooling in flat-plate heat pipe 3 and water cooling plant 2
Matter carries out heat exchange, is isolated between battery heat-sink unit by heat-insulating flame-retardant part 1.Flat-plate heat pipe 3 connects with lithium ion battery 4
Tactile one end is evaporation ends, and one end that flat-plate heat pipe 3 is contacted with water cooling plant 2 is condensation end；Evaporation ends produce lithium ion battery 4
Raw heat quickly passes to condensation end, and condensation end is contacted by face with water cooling plant 2 and carries out heat exchange, by water cooling plant 2
In cooling medium heat is taken away.
The water cooling plant 2 is the water cooling tube of metal, cooled plate or the water cooling with fin structure are arranged.
The heat-insulating flame-retardant part 1 is heat-insulating flame-retardant plate, heat-insulating flame-retardant bag, heat-insulating flame-retardant foaming material materials and parts or heat-insulating flame-retardant
Glue part.
The lithium ion battery 4 is soft-package battery, square aluminum-shell battery or the rectangular cell combined by cylindrical battery
Group.
The water cooling plant 2 is fixed on by fastener, screw or binding agent on flat-plate heat pipe 3.
It takes and contacts directly or indirect by heat-conducting silicone grease, heat conductive silica gel between the flat-plate heat pipe 3 and water cooling plant 2
Contact；It takes and contacts directly or by heat-conducting insulated film, thermal conductive silicon rubber cushion between the flat-plate heat pipe 3 and lithium ion battery 4
Mediate contact.
The water in-out port of multiple water cooling plants 2 can need to carry out series/parallel connection according to battery module combination.
Embodiment 1
Embodiment 1 is the basic embodiment of the present invention, and according to Fig. 1, Fig. 2, the lithium ionic cell module uses size
225 × 165 × 5mm, voltage 3.7V, capacity are the Soft Roll ternary material lithium ion battery of 15Ah as mould battery list in the block
Body；The size of the flat-plate heat pipe 3 be 200 × 96 × 3mm, by a piece of flat-plate heat pipe 3 be positioned over two lithium ion batteries 4 it
Between, form a battery heat-sink unit；The heat-insulating flame-retardant part 1 be 230 × 170 × 3mm polyurethane foam board, Mei Ge electricity
Isolated between the heat-sink unit of pond using polyurethane foam board, lithium ionic cell module is superimposed structure by multiple battery heat-sink units
Into；The water cooling plant 2 is the copper cooled plate of 200 × 30 × 1.2mm, the flat-plate heat pipe in each battery heat-sink unit
3 are higher by the part of lithium ion battery 4 and copper cooled plate fits closely, and copper cooled plate is fastened using fastener, copper cooled plate
Between connected by silica gel hose, as shown in Figure 3.
Embodiment 2
Embodiment 2 is the further embodiment on the basis of embodiment 1.Structure design such as embodiment 1, the difference is that,
The water cooling plant 2 uses circular water-cooled copper, outer diameter 19mm, wall thickness 2mm, and the flat-plate heat pipe 3 is put for inverted U
It puts, the two neighboring public a set of flat-plate heat pipe 3 of battery heat-sink unit, the installation of circular ring shape is provided on the flat-plate heat pipe 3
Portion, the water-cooled copper are fixed by screws in the mounting portion of flat-plate heat pipe 3, as shown in Figure 4.
Embodiment 3
Embodiment 3 is the further embodiment on the basis of embodiment 2, structure design such as embodiment 2, the difference is that,
The Kapton of 0.1mm thickness is provided between the flat-plate heat pipe 3 and lithium ion battery 4.
Embodiment 4
Embodiment 4 is the further embodiment on the basis of embodiment 2, structure design such as embodiment 2, the difference is that,
The water cooling plant 2 is arranged using the water cooling with fin structure, and the water cooling arranges bottom as dentalation, two neighboring electricity
The public a set of flat-plate heat pipe 3 of pond heat-sink unit, the flat-plate heat pipe 3 carries out 75 degree of bendings with water cooling row's contact portion, described
Flat-plate heat pipe 3 dogleg section by heat conductive silica gel be fixed on water cooling arrange dentalation in, as shown in Figure 5, Figure 6.
Embodiment 5
Embodiment 5 is the further embodiment on the basis of embodiment 2, structure design such as embodiment 2, the difference is that,
Battery cell in the lithium ionic cell module uses square aluminum-shell battery.
Embodiment 6
Embodiment 6 is the further embodiment on the basis of embodiment 2, structure design such as embodiment 2, the difference is that,
The heat-insulating flame-retardant part 1 uses foamed silica gel.
The heat that the present invention can be generated when lithium ion battery 4 works normally quickly exports, and prevents lithium ion battery 4
Overheat, when abnormal heating occurs in single lithium ion battery 4, prevents lithium ion battery of the heat into other battery heat-sink units
4 propagate, and avoid the generation of thermal runaway chain reaction, can increase the service life and security of lithium ion battery 4 by the present invention,
The present invention is compact-sized simple, and usability is wide.
The embodiment that the above-described embodiments merely illustrate the principles and effects of the present invention and part uses, for
For those of ordinary skill in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these belong to protection scope of the present invention.
Claims (7)
1. a kind of fire-retardant cooling type lithium ionic cell module, it is characterised in that：Including multiple battery heat-sink units and to adjacent
The heat-insulating flame-retardant part that two battery heat-sink units are isolated（1）, each battery heat-sink unit is by two lithium ion batteries（4）
And lithium ion battery（4）Between flat-plate heat pipe（3）It forms, the flat-plate heat pipe（3）The side for upwardly extending end is provided with
Water cooling plant（2）, the water cooling plant（2）For the water cooling tube of metal, cooled plate or with fin structure water cooling row, it is multiple
Water cooling plant（2）Water in-out port series/parallel connection；The heat-insulating flame-retardant part（1）For heat-insulating flame-retardant plate, heat-insulating flame-retardant bag,
Heat-insulating flame-retardant foaming material materials and parts or heat-insulating flame-retardant glue part；The flat-plate heat pipe（3）With water cooling plant（2）Between take and directly connect
It touches or passes through heat-conducting silicone grease, heat conductive silica gel mediate contact；The flat-plate heat pipe（3）With lithium ion battery（4）Between take it is straight
Contact passes through heat-conducting insulated film, thermal conductive silicon rubber cushion mediate contact.
A kind of 2. fire-retardant cooling type lithium ionic cell module according to claim 1, which is characterized in that the lithium ion
Battery（4）For soft-package battery, square aluminum-shell battery or the prismatic batteries combined by cylindrical battery.
A kind of 3. fire-retardant cooling type lithium ionic cell module according to claim 2, which is characterized in that the lithium ion
Battery（4）Size is used as 225 × 165 × 5mm, voltage 3.7V, capacity is the Soft Roll ternary lithium ion battery of 15Ah.
A kind of 4. fire-retardant cooling type lithium ionic cell module according to claim 1, which is characterized in that the water cooling dress
It puts（2）Flat-plate heat pipe is fixed on by fastener, screw or binding agent（3）On.
A kind of 5. fire-retardant cooling type lithium ionic cell module according to claim 4, which is characterized in that the water cooling dress
It puts（2）Using the copper cooled plate of 200 × 30 × 1.2mm, the copper cooled plate described in each is connected by silica gel hose.
A kind of 6. fire-retardant cooling type lithium ionic cell module according to claim 1, which is characterized in that the tablet heat
Pipe（3）Size be 200 × 96 × 3mm.
A kind of 7. fire-retardant cooling type lithium ionic cell module according to claim 1, which is characterized in that the heat-insulated resistance
Fire part（1）Using the polyurethane foam board of 230 × 170 × 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403292.3A CN108110376A (en) | 2017-12-22 | 2017-12-22 | A kind of fire-retardant cooling type lithium ionic cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403292.3A CN108110376A (en) | 2017-12-22 | 2017-12-22 | A kind of fire-retardant cooling type lithium ionic cell module |
Publications (1)
| Publication Number | Publication Date |
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| CN108110376A true CN108110376A (en) | 2018-06-01 |
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| CN201711403292.3A Pending CN108110376A (en) | 2017-12-22 | 2017-12-22 | A kind of fire-retardant cooling type lithium ionic cell module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN110518162A (en) * | 2019-07-17 | 2019-11-29 | 南京航空航天大学 | A kind of power battery module temperature control system based on ultra-thin panel flexible heat pipe |
| CN111146528A (en) * | 2019-12-25 | 2020-05-12 | 天津力神特种电源科技股份公司 | Heat pipe heat abstractor of lithium ion battery group |
| CN112366401A (en) * | 2019-07-23 | 2021-02-12 | Sk新技术株式会社 | Battery module |
| CN113422127A (en) * | 2021-07-21 | 2021-09-21 | 国网安徽省电力有限公司电力科学研究院 | Heat dissipation and heat insulation device for lithium battery |
| CN113606970A (en) * | 2021-07-27 | 2021-11-05 | 华南理工大学 | Ultrathin soaking plate and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
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| CN112366401A (en) * | 2019-07-23 | 2021-02-12 | Sk新技术株式会社 | Battery module |
| CN111146528A (en) * | 2019-12-25 | 2020-05-12 | 天津力神特种电源科技股份公司 | Heat pipe heat abstractor of lithium ion battery group |
| CN113422127A (en) * | 2021-07-21 | 2021-09-21 | 国网安徽省电力有限公司电力科学研究院 | Heat dissipation and heat insulation device for lithium battery |
| CN113606970A (en) * | 2021-07-27 | 2021-11-05 | 华南理工大学 | Ultrathin soaking plate and preparation method thereof |
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